docs: async def send(self, data, destination):
          """Sends data to destination Node
          Args:
              data — serializable object
              destination — <str> '127.0.0.1:8000' or <tuple> (127.0.0.1, 8000)
          """
          if isinstance(destination, str):
              host, port = destination.split(':')
              destination = host, int(port)
  
          await self.requests.put({
              'data': data,
              'destination': destination
          })